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IBM Spectrum Scale CSI Driver - v2.3.0
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@Jainbrt Jainbrt released this 02 Sep 22:32
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v2.3.0
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IBM Spectrum Scale Container Storage Interface (CSI) driver
The IBM Spectrum Scale CSI driver enables container orchestrators, such as OpenShift and Kubernetes, to manage the life-cycle of persistent storage. Through this CSI Driver, Kubernetes persistent volumes (PVs) can be provisioned from IBM Spectrum Scale. Thus, containers can be used with stateful microservices, such as database applications (MongoDB, PostgreSQL etc), web servers (nginx, apache), or any number of other containerized applications needing provisioned storage.

Supported Features of the CSI driver(v2.3.0)
Static provisioning: Ability to use existing directories as persistent volumes
Lightweight dynamic provisioning: Ability to create directory-based volumes dynamically
Fileset-based dynamic provisioning: Ability to create fileset-based volumes dynamically
Multiple file systems support: Volumes can be created across multiple file systems
Remote mount support: Volumes can be created on a remotely mounted file system
Operator based deployment: Simplified deployment and management of Driver through Operator
Volume snapshot support: Ability to take a point-in-time snapshot of volume and creating new volume from existing snapshot

Supported container platforms:
Redhat OpenShift v4.7, v4.8
Vanilla Kubernetes 1.20, 1.21

Supported IBM storage systems:
IBM Spectrum Scale 5.1.1.2 or Higher is required for 'permissions' parameter in the storageclass
IBM Spectrum Scale 5.1.1.0 or Higher is required for 'volume snapshot support'
IBM Spectrum Scale 5.1.0.1 or Higher for all features except 'volume snapshot support' and 'permissions' parameter in the storageclass

Supported operating systems:
RHEL 7.8, RHEL 7.9 (x86_64, ppc64le architecture)
Ubuntu 20.04 (x86_64 architecture)
RHCOS support through IBM Spectrum Scale Cloud Native Storage Access (x86_64, ppc64le and s390x architecture)

User guide (IBM Documentation): IBM Spectrum Scale Container Storage Interface Driver

Images URL
Operator quay.io/ibm-spectrum-scale/ibm-spectrum-scale-csi-operator:v2.3.0
Driver quay.io/ibm-spectrum-scale/ibm-spectrum-scale-csi-driver:v2.3.0

Changes:
Support for Red Hat® OpenShift® 4.8
Support for kubernetes subpath by using the new parameter "permissions" in the storageclass
kubernetes CustomResourceDefinition API migration from v1beta1 to v1
Support for liveliness probe in the CSI driver pods
Upgraded Kubernetes sidecar container
Minimum fileset based volume size for PVC is changed to 1GB
Dynamic inode calculation is removed for fileset based volume
Static values of inodes is provided while creating independent fileset based volumes (100K inodes for <= 10GB and 200K for >10GB volume)

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